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29-10-2022
Mathematics

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In right triangle ABC, m2C = 90, M2A = 63, and AB = 10. If BC is represented by a, then which equation can be used to find a ?

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LazarusF739514 LazarusF739514

29-10-2022

[tex]\begin{gathered} \sin 63^{\circ}=\frac{a}{10} \\ \Rightarrow a=10\sin 63^{\circ}=8.91 \end{gathered}[/tex]

Hence the correct option is A

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